Home / 27,489.03-41,201.67-12,666.81

Finding the Fourth Proportional to 27,489.03, 41,201.67 and 12,666.81

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Solution

The fourth proportional to 27,489.03, 41,201.67 and 12,666.81 is: 18,985.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,489.03 : 41,201.67 = 12,666.81 : x
  2. Step 2: Convert to fraction form
    27,489.03/41,201.67 = 12,666.81/x
  3. Step 3: Cross multiply
    27,489.03x = 41,201.67 × 12,666.81
  4. Step 4: Simplify right side
    27,489.03x = 521,893,725.57
  5. Step 5: Solve for x
    x = 521,893,725.57/27,489.03
  6. Step 6: Final answer
    x = 18,985.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.